dccp_senc.c: Check return value of mark_fd_nonblocking().

diff --git a/dccp_send.c b/dccp_send.c
index 0410c8b..9de618b 100644 (file)
--- a/dccp_send.c
+++ b/dccp_send.c
@@ -98,8 +98,12 @@ static int dccp_open(void)
        if (ret < 0)
                return ret;
        listen_fd = ret;
+       ret = mark_fd_nonblocking(listen_fd);
+       if (ret < 0) {
+               PARA_EMERG_LOG("%s\n", para_strerror(-ret));
+               exit(EXIT_FAILURE);
+       }
        add_close_on_fork_list(listen_fd);
-       mark_fd_nonblocking(listen_fd);
        return 1;
 }